103,137 research outputs found
Absolute Measurements of the Free-Fall Acceleration g in Santangelo Romano Palestrina and Castel Gandolfo (Italy)
No full textThe work hereafter described was carried out on May 23-30, 2007 by the Istituto Nazionale di Ricerca Metrologica (INRIM) for the Istituto Nazionale di Geofisica e Vulcanologia (INGV) - Centro Nazionale Terremoti and Osservatorio Vesuviano. The experimental results of absolute measurements of the free-fall acceleration g carried out at Santangelo Romano, Palestrina and Castel Gandolfo are reported. Gravity measurements were performed with the new transportable absolute gravimeter IMGC-02
Absolute measurements of the acceleration due to gravity in Santangelo Romano, Palestrina and Castel Gandolfo (Italy)
No full textThe work hereafter described was carried out on November 14-19, 2005 by the Istituto di Metrologia "G. Colonnetti" (IMGC) of the National Research Council (CNR) for the Istituto Nazionale di Geofisica e Vulcanologia (INGV) - Centro Nazionale Terremoti and Osservatorio Vesuviano.
The experimental results of absolute measurements of the acceleration due to gravity carried out at Santangelo Romano, Palestrina and Castel Gandolfo are reported.
Gravity measurements were performed with the new transportable absolute gravimeter IMGC-02
Endometrial stromal sarcoma of the uterus: MR and US findings.
No full textWe describe the MRI and US features of two patients with endometrial stromal sarcoma of the uterus. Both lesions appeared as voluminous polypoid masses within an expanded endometrial cavity on both US and MRI. They had mixed echo-texture and heterogenous signal intensity on both T1- and T2-weighted sequences. T2-weighted images were most helpful in detecting the endometrial nature of the disease and its relationships with surrounding myometrium
“La passerella? Si può fare” in GIORNALE DI SICILIA del 23 ottobre 2007 (cronaca di Agrigento).
No full textParere sulla realizzazione di una passerela pedonale tra l'area del tempio di Ercole e quella del tempio di Zeus nel parco archeologico di Agrigent
The sonographic evaluation of tubal patency with stimulated acoustic emission imaging
No full textExperimental and clinical data suggest that insonation of echo-enhancing contrast agents with high acoustic power produces disintegration of microbubbles, resulting in a phenomenon called stimulated acoustic emission (SAE). The purpose of this study was to investigate whether SAE might be detected by transvaginal sonography and whether this technique may be useful in the assessment of tubal patency by hysterosalpingo-contrast sonography (SAE-HyCoSy).Patients booked for X-ray hysterosalpingography (HSG) for infertility evaluation also received SAE-HyCoSy. The order of the two procedures was established in each patient by randomization after placement of a transcervical balloon catheter. For SAE-HyCoSy, the ultrasound contrast medium Levovist was injected, with the acoustic power set at the maximum level permitted on ultrasound machines employing dedicated algorithms. Conventional HSG was performed for comparison.Seventy-seven Fallopian tubes were examined in 41 patients. In all cases it was possible to obtain the SAE phenomenon. In 10 tubes (13\%) proximal filling was not observed by both SAE-HyCoSy and HSG. In the remaining 67 tubes, free spill from the distal end of the lumen was demonstrated in 96\% of cases (64/67) with SAE-HyCoSy and in 97\% of cases (65/67) with HSG. Disagreement between the two techniques was observed in five tubes only, with a Cohen's kappa coefficient of 0.76 (95\% confidence interval, 0.56-0.96).SAE techniques were successfully applied to HyCoSy and allowed the visualization of the free spill of contrast agent into the peritoneal cavity in the majority of cases. SAE-HyCoSy showed good agreement with HSG in this preliminary study
Hepatitis C virus-associated oral lichen planus: no influence from hepatitis G virus co-infection
No full textThere is a variable geographic distribution in the prevalence of hepatitis C virus (HCV)-related oral lichen planus (OLP), which appears unrelated to either HCV genotype or HCV epidemiology. The present study investigated whether hepatitis G virus (HGV) co-infection may be a feature of patients with HCV-related OLP, which might explain these phenomena. HGV co-infection was detected in 6 of 39 Italian patients with HCV-related OLP, but the presence of
HGV did not influence the clinical presentation of OLP. It is concluded that HGV co-infection is unlikely to influence the clinical detection of HCV-related OLP
L'intelligence du geste
No full textInternational audiencePeut-on parler de l’intelligence du geste ? Quelle signification donnerà ce syntagme ? Au moyen de questions-réponses, confrontentleurs points de vue un psychophysiologiste (G. Gandolfo), un neurophysiologiste(F. Grammont), une philosophe (F. Taland), une philosophede la cognition (D. Legrand) et un sculpteur (P. Mourard)
L'intelligence du geste
No full textInternational audiencePeut-on parler de l’intelligence du geste ? Quelle signification donnerà ce syntagme ? Au moyen de questions-réponses, confrontentleurs points de vue un psychophysiologiste (G. Gandolfo), un neurophysiologiste(F. Grammont), une philosophe (F. Taland), une philosophede la cognition (D. Legrand) et un sculpteur (P. Mourard)
Sonographic features of incidentally detected, small, nonpalpable ovarian dermoids.
No full textWe describe the transvaginal sonographic features of incidentally detected, small, nonpalpable ovarian dermoid cysts.A total of 38 small (less than 3 cm in diameter), nonpalpable, incidentally discovered ovarian dermoids in 35 women were retrospectively reviewed; 3 patients had small bilateral lesions, and 7 had a small ovarian dermoid detected during preoperative evaluation of a symptomatic, large, contralateral lesion.Transvaginal sonography permitted identification of all 38 dermoids, whereas abdominal sonography detected only 22 of the lesions. Three main structural patterns were observed with transvaginal sonography: (1) 20 of 38 lesions had a solid, hyperechoic appearance, either homogeneous (11) or heterogeneous (9); (2) a fluid-filled area with a hyperechoic focus in its wall was seen in 10 cases; and (3) a mixed pattern, with solid and liquid areas, was seen in 8 cases. Calcifications were appreciated in 7 lesions. Acoustic shadowing was noted in 30 cases, either as a shadow posterior to the hyperechoic portion of the mass or as an edge shadow lateral to the lesion. Doppler studies were obtained for 20 lesions but proved inconclusive: 4 mixed-pattern dermoids had a few internal signals with a low resistance pattern; in the remaining cases, there were signals at the periphery of the cysts, but it could not be determined whether these were from vessels within the lesions or from vessels in the surrounding ovarian parenchyma. Surgery confirmed benign cystic dermoids in all 38 cases.Sonographically, small ovarian dermoids have a variety of textural patterns quite similar to those encountered in large, symptomatic lesions. The increased resolution capabilities provided by transvaginal sonography allow incidental detection of previously unsuspected dermoids and permit identification of their nature
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